September weather forecastMetztitlán, Mexico

September

Weather in September

September, the first month of the autumn in Metztitlán, is still a pleasant month, with an average temperature fluctuating between 21°C (69.8°F) and 13.5°C (56.3°F).

Temperature

September brings a marginal elevation to a still pleasant 21°C (69.8°F) from August's 22.3°C (72.1°F) in Metztitlán's average high-temperatures. The average low-temperature during September nights is a refreshing 13.5°C (56.3°F).

Humidity

The most humid month is September, with an average relative humidity of 83%.

Rainfall

In Metztitlán, in September, it is raining for 25 days, with typically 80mm (3.15") of accumulated precipitation. Throughout the year, in Metztitlán, there are 185.4 rainfall days, and 547mm (21.54") of precipitation is accumulated.

Snowfall

In Metztitlán, snow does not fall in February through December.

Daylight

The average length of the day in September is 12h and 15min.
On the first day of September in Metztitlán, sunrise is at 6:19 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 6:23 pm CST.

Sunshine

In September, the average sunshine is 8.1h.

UV index

The months with the highest UV index in Metztitlán, Mexico, are February through September, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 5 in September transforms into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

In September, the average high-temperature and low-temperature in Metztitlán are 21°C (69.8°F) and 13.5°C (56.3°F) respectively.

September is the most humid month, with an average relative humidity of 83%.

In September, the average relative humidity in Metztitlán is 83%.

In September, in Metztitlán, Mexico, the rain falls for 25 days. Throughout September, 80mm (3.15") of precipitation is accumulated.

In Metztitlán, Mexico, snow does not fall in February through December.

The average day length in September in Metztitlán is 12h and 15min.

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 6:50 pm. On the last day of the month, in Metztitlán, Mexico, sunrise is at 6:25 am and sunset at 6:23 pm CST.

In September, the average sunshine duration in Metztitlán, Mexico, is 8.1h.

The months with the highest UV index in Metztitlán are February through September, with an average maximum UV index of 5.

In Metztitlán, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Metztitlán, Mexico

  • Average high temperature in September: 21°C

The warmest month (with the highest average high temperature) is April (25.9°C).
The month with the lowest average high temperature is January (18.8°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is May (14.2°C).
The coldest month (with the lowest average low temperature) is January (7.7°C).

Average pressure in September
Metztitlán, Mexico

  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is January (1019mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).

Average wind speed in September
Metztitlán, Mexico

  • Average wind speed in September: 8.3km/h

The windiest month (with the highest average wind speed) is March (9.8km/h).
The calmest months (with the lowest average wind speed) are November and December (7.9km/h).

Average humidity in September
Metztitlán, Mexico

  • Average humidity in September: 83%

The month with the highest relative humidity is September (83%).
The month with the lowest relative humidity is April (53%).

Average rainfall in September
Metztitlán, Mexico

  • Average rainfall in September: 80mm

The wettest month (with the highest rainfall) is July (123mm).
The driest month (with the least rainfall) is December (3mm).

Average rainfall days in September
Metztitlán, Mexico

  • Average rainfall days in September: 25 days

The month with the highest number of rainy days is July (28 days).
The month with the least rainy days is December (3.2 days).

Average snowfall days in September
Metztitlán, Mexico

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Metztitlán, Mexico

  • Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is May (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 7h and 18min).

Average sunshine days in September
Metztitlán, Mexico

  • Average sunshine days in September: 2.9 days

The month with the most sunshine days is December (26.2 days).
The month with the least sunshine days is July (1.1 days).

Average UV index in September
Metztitlán, Mexico

  • Average UV index in September: 5

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, October, November and December (UV index 4).

Average cloud cover in September
Metztitlán, Mexico

  • Average cloud cover in September: 56

The month with the most cloud cover is September (Cloud cover 56).
The month with the least cloud cover is April (Cloud cover 19).

Average visibility in September
Metztitlán, Mexico

  • Average visibility in September: 7km

The months with the highest visibility are January, February, March and April (10km).
The month with the lowest visibility is September (7km).